Henry Engineering:

The rack-mountable Matchbox HD is the new high performance version of the industry's most popular analog level and impedance converter. Matchbox HD offers a true 100 dB S/N ratio, with 22 dB of headroom to yield 122 dB of dynamic range. It is the very best way to interface "consumer" or semi-pro equipment with professional audio gear.
The Matchbox HD is a bi-directional unit, employing four independent amplifiers to convert stereo inputs and outputs from unbalanced -10 dBv levels to +4 dBm balanced...

The AES Digital DA 2X4 is a distribution system for digital audio signals. It can accept either an AES or S/PDIF digital audio stream, and create four identical AES outputs. The AES DA is 100% bit-accurate and transparent to the source, adding absolutely no delay or latency to the signal. The AES input and all four AES outputs are individually transformer balanced and isolated from ground. The S/PDIF input signal is converted to an AES standard level and source impedance. The AES I/O is via XLR...

The Henry Engineering USB Matchbox II combines the best features of our past USB products into one unit! It uses Burr-Brow's recently updated phase coherent codec for superb audio quality, and sports both analog and digital outputs. The USB Matchbox II features balanced analog inputs and outputs on XLRs, plus an AES/EBU digital output, and a handy Headphone jack on the front panel. Just plug-and-play for great audio with USB convenience and reliability!
The USB Matchbox II is a professional USB-to-XLR...

AES DigiSwitch 3X1 is a three-input switcher for AES digital audio signals. It accepts up to three AES audio sources, selecting one that is sent to the AES output. It is ideally suited for numerous broadcast and professional audio applications, e.g., as a studio switcher, AES source selector, or for automatic source selection under the control of a playout system or other control system.
AES DigiSwitch 3X1 utilizes sealed relays with gold-plated contacts for signal switching. There is no active...

PatchBox II is a passive "output multiplier" that can be used to distribute the output of a professional audio mixer to the inputs of peripheral equipment. PatchBox II is ideal for feeding a mixer's output signal into DAT recorders, digital editors, computer sound cards, cassette and reel decks, VCRs, PA systems, dubbing racks, limiters, and other audio equipment. Both professional equipment with balanced inputs and consumer equipment with unbalanced inputs can be used.
PatchBox II is compatible...

The updated StereoSwitch II now has illuminated front-panel pushbuttons for local control, plus remote control via GPI. StereoSwitch II is a handy audio switcher that's perfect for switching between studios, selecting audio sources. If you've used up all the inputs on your console, feed infrequently-used sources into StereoSwitch II and select between them. StereoSwitch II can also be used "in reverse", as a router, to send a source to one of three destinations.
Features: StereoSwitch is a three-input...

Superelay II is a multi-circuit controller for any application where numerous circuits, including AC line voltage, need to be switched simultaneously. It is ideal for controlling "On The Air" tally lights and switching the various equipment functions that need to be controlled when, for example, the microphone in a broadcasting studio is turned on.
Superelay II provides six isolated SPDT relay outputs, plus AC and DC Tally Light outputs that can be set to flash. The AC Tally Light output can...

The MultiPhones MiniPod is a compact stereo headphone amplifier for broadcast studios and other commercial sound installations. The MiniPod can be used with a MultiPhones Master unit or by itself as a "stand alone" headphone listening station. In either case, multiple MiniPods can be interconnected using cat5 cabling to produce a multi-user headphone listening system.
The front panel of the MiniPod features a volume control and headphone jacks. Both 1/4" and 1/8" (3.5mm) jacks are provided. On...

AutoSwitch solves two radio station problems: It eliminates the "digital echo" in DJ headphones that's caused by digital audio processing. It also prevents "dead air" by switching to an alternate audio source if the main air feed fails.
AutoSwitch is a multi-purpose stereo audio switcher and silence sensor. It can be used to manually or automatically select between two stereo audio sources. AutoSwitch can be used as a monitor-source switcher. When interfaced to the console's mic-tally logic it...

DigiMatch is "the Digital Matchbox". Not only does it convert between consumer (SPDIF) and professional (AES/EBU) digital formats, but it's also a digital distribution amplifier that gives you 6 digital outputs! Use DigiMatch 2X6 to feed your digital audio into several CD or DAT recorders, or into multiple console inputs. Never use "Y-cord" to split digital signals; use DigiMatch 2X6 to maintain proper digital levels and data integrity.
DigiMatch 2x6 is an AES/EBU-to-SPDIF interface and distribution...

The Henry Engineering MultiPhones Guest Pod II is a compact stereo headphone amplifier for broadcast studios and other professional sound installations.
The Guest Pod II can be used with a MultiPhones Master unit or by itself as a stand-alone headphone listening station. In either case, multiple Guest Pods can be linked using cat5 cabling to produce a multi-user headphone listening system. The front panel of the Guest Pod II includes a...

The AES D2A Digital Converter is a 24-bit high resolution digital-to-analog audio interface. It converts an AES-3 digital audio stream at up to 192 kHz to professional stereo analog outputs. The unit also includes a Headphone amplifier for critical monitoring with headphones.
The D2A Digital Converter is designed for professional applications, e.g., broadcast stations, recording studios, performance venues. The AES digital input is transformer isolated to prevent ground loops, hum, and noise....

The Henry Engineering Mike Alert makes installation of Yellowtec's "Mika" mic arms easy! It lets you connect the mic arms integrated dual-color Red/White tally lights to your console. Use Red for "On The Air" and White for "Ready" or a secondary indication.
MIKE ALERT is an interface device for controlling the dual-color tally indicators on popular "mic arms". The Mike Alert unit allows two mic arms' tally lights to be independently controlled, and provides...

The Multi-System Power Pod connects to other pod products via the cat5 output. It supplies power and Local/Remote (or stereo) audio to all other units in the system. Note that audio may be fed into the Power Pod, OR into any other unit in the system. The cat5 linking will distribute power and audio to the entire system, eliminating the need for separate power supplies, audio DAs, and complicated wiring. The TB OUT jack on the Power Pod provides a convenient way to access the Talkback audio from...

For years, there has been a need for a compact broadcast station audio console. Since most stations play their music, spots, jingles, etc. from a PC hard drive, you no longer need dozens of sources or inputs....just a PC, a couple of mics, a CD player or two, a few other sources and perhaps a phone hybrid.
Many stations have attempted to use small "live music" or PA-type mixers, usually with mediocre results. PA-type mixers just don't have the functionality of a true radio station console! There's...

Henry Engineering's SportsCaster is an audio control system for managing the audio portion of a sporting event radio or video broadcast. When used with Henry Engineering's Sports Pods, SportsCaster creates an integrated system that includes all essential audio functions including audio mixing for air or webcast, headphone audio management and distribution, and off-air intercommunication. SportsCaster is a one-box solution that is comprehensive yet intuitive and easy-to-use. By integrating...

Now your remote broadcasts can be even easier and more foolproof! The new Sports Pod has Talkback so you can communicate with talent! And there's Remote Mic Control....no more hollering "HEY BOB! Your mic's not on!" Plus all the great features of the original Talent Pod...the new Sports Pod has it all.
The Sports Pod is an announcer's mic/headphone controller and intercom system for use by talent at a remote broadcast. It is ideal for use at sporting events, on-location broadcasts, or in...

The Talent Pod is an announcer's mic and headphone controller for use by talent at a remote broadcast. It is ideal for use at sporting events and on-location broadcasts. Talent Pod solves the problem of providing talent with a mix of Local and Return (IFB or "back- haul") audio for their headphones. Its simplicity allows for error-free use by non-technical users; several units can be quickly linked for use at broadcasts with multiple announcers.
The Talent Pod provides the announcer a convenient...

LogiConverter is what you need when "you can't get there from here", control-wise. It makes things compatible, reliable, and safe. Don1t risk damaging your equipment because of incompatible control voltages or topology!
LogiConverter is a general purpose control interface that eliminates the incompatibility between various audio and video equipment remote control circuits. LogiConverter has 4 opto-isolated inputs that control 4 isolated relay outputs. The unit can be programmed...

The Henry Engineering MicroMixer is a handy mixer to have when you need to mix 2 stereo sources together, or for mixing stereo to mono.
MicroMixer is a 4-input, 2-output stereo mixer for line-level sources. MicroMixer is a perfect utility mixer with numerous uses: combining 2 stereo sources to a stereo output; combining up to 4 mono sources; mixing mono and stereo sources to a stereo output. Each balanced bridging input will accept a balanced or unbalanced source.
A level control for each...

Henry Engineering has enhanced the MultiPhones headphones system with Zoned Talkback! Now you can divide your Guest Pod listeners into three groups. For example, "Host", "A-Guests", and "B-Guests"..or "Host", "Pro", and "Con", or just "Host" and "Guests". Zoned Talkback makes it easy to communicate with one (or more) group without bothering the others. It's more effective communication, with less confusion!
MultiPhones II is a multi-user headphones system for broadcast studio, professional audio,...

MultiPort™ is a utility interconnect panel that facilitates interface between a studio and external audio equipment. MultiPort provides convenient access to a studio's analog and digital audio inputs and outputs, and allows connection to both professional and consumer gear. MultiPort's active circuitry performs all level,impedance, and topology conversion necessary for correct interface.
MultiPort connects to any studio via its analog and digital inputs and outputs. The analog I/O interfaces...

Henry Engineering has become an industry standard in voice broadcasting, stereo mixers, audio level matching, conversion, mixers, and digital audio. Producers of the popular Matchbox, SixMix, and PowerClamp, just to name a few, Markertek is proud to bring your quality products from Henry Engineering.

Markertek is an authorized dealer for the entire Henry Engineering line. If you don't see what you're looking for, contact us and we'll do our best to get it for you.